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Ajouter au panierEtat : New. 1st ed. 2022 edition NO-PA16APR2015-KAP.
Langue: anglais
Edité par Springer-Nature New York Inc, 2022
ISBN 10 : 3031165632 ISBN 13 : 9783031165634
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Ajouter au panierPaperback. Etat : Brand New. 506 pages. 9.25x6.10x1.03 inches. In Stock.
Langue: anglais
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Ajouter au panierKartoniert / Broschiert. Etat : New.
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Edité par Springer New York, Springer, 2011
ISBN 10 : 146141640X ISBN 13 : 9781461416401
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Ajouter au panierTaschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - Research has deeply investigated several issues related to the use of integrity constraints on relational databases. In particular, a great deal of attention has been devoted to the problem of extracting 'reliable' information from databases containing pieces of information inconsistent with regard to some integrity constraints. In this manuscript, the problem of extracting consistent information from relational databases violating integrity constraints on numerical data is addressed. Aggregate constraints defined as linear inequalities on aggregate-sum queries on input data are considered. The notion of repair as consistent set of updates at attribute-value level is exploited, and the characterization of several data-complexity issues related to repairing data and computing consistent query answers is provided. Moreover, a method for computing 'reasonable' repairs of inconsistent numerical databases isintroduced, for a restricted but expressive class of aggregate constraints. An extension of this method for dealing with the data repairing problem in the presence of weak aggregate constraints which are expected to be satisfied, but not required to, is presented. Furthermore, a technique for computing consistent answers of aggregate queries in the presence of a wide form of aggregate constraints is provided. Finally, extensions of the framework as well as several open problems are discussed.
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Ajouter au panierTaschenbuch. Etat : Neu. Repairing and Querying Databases under Aggregate Constraints | Sergio Flesca (u. a.) | Taschenbuch | viii | Englisch | 2011 | Springer | EAN 9781461416401 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Ajouter au panierTaschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - This book constitutes the proceedings of the 26th International Symposium on Foundations of Intelligent Systems, ISMIS 2022, held in Cosenza, Italy, in October 2022.The 31 regular papers, 11 short papers and 4 industrial papers presented in this volume were carefully reviewed and selected from 71 submissions. They were organized in topical sections as follows: Social Media and Recommendation; Natural Language Processing; Explainability; Intelligent Systems; Classification and Clustering; Complex Data; Medical Applications; Industrial Applications.
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Ajouter au panierTaschenbuch. Etat : Neu. Foundations of Intelligent Systems | 26th International Symposium, ISMIS 2022, Cosenza, Italy, October 3-5, 2022, Proceedings | Michelangelo Ceci (u. a.) | Taschenbuch | Lecture Notes in Computer Science | xviii | Englisch | 2022 | Springer | EAN 9783031165634 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Ajouter au panierEtat : Sehr gut. Zustand: Sehr gut | Sprache: Englisch | Produktart: Bücher | Research has deeply investigated several issues related to the use of integrity constraints on relational databases. In particular, a great deal of attention has been devoted to the problem of extracting "reliable" information from databases containing pieces of information inconsistent with regard to some integrity constraints. In this manuscript, the problem of extracting consistent information from relational databases violating integrity constraints on numerical data is addressed. Aggregate constraints defined as linear inequalities on aggregate-sum queries on input data are considered. The notion of repair as consistent set of updates at attribute-value level is exploited, and the characterization of several data-complexity issues related to repairing data and computing consistent query answers is provided. Moreover, a method for computing ¿reasonable¿ repairs of inconsistent numerical databases is introduced, for a restricted but expressive class of aggregate constraints. An extension of this method for dealing with the data repairing problem in the presence of weak aggregate constraints which are expected to be satisfied, but not required to, is presented. Furthermore, a technique for computing consistent answers of aggregate queries in the presence of a wide form of aggregate constraints is provided. Finally, extensions of the framework as well as several open problems are discussed.
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Ajouter au panierTaschenbuch. Etat : Neu. Logics in Artificial Intelligence | European Conference, JELIA 2002, Cosenza, Italy, September, 23-26, Proceedings | Sergio Flesca (u. a.) | Taschenbuch | xiii | Englisch | 2002 | Springer | EAN 9783540441908 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Ajouter au panierTaschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - TheEuropeanConferenceonLogicsinAIprovidesamajorbiennialforumforthe discussion of logic-oriented approaches to arti cial intelligence. Following pre- ous workshops held in France (1988), The Netherlands (1990), Germany (1992), England (1994), Portugal (1996), Germany (1998), and Spain (2000) the eighth conference was in Cosenza, Italy, September 23 26, 2002. The international level and the overall technical quality of this event is now well established. As a c- sequence, the Program Committee wished to explicitly mark JELIA 2002 as a milestone by promoting the event from a Workshop to a Conference . Theaimwastobringtogetheractiveresearchersinterestedinallaspec tsc- cerning the use of logics in arti cial intelligence to discuss current research, - sults,problems,andapplicationsofboththeoreticalandpracticalnature. JELIA strived to foster links and facilitate cross-fertilization of ideas among researchers from various disciplines, among researchers from academia, industry, and g- ernment, and between theoreticians and practitioners. ThetechnicalprogramofJELIA2002comprisedthreeinvitedtalksthatwere given by Georg Gottlob, Michael Gelfond, and Moshe Y. Vardi and 41 refereed contributions selected by the Program Committee amongst more than 100 s- mittedpapers. Asapartofthetechnicalprogram,theconferencefeaturedas- cial session consisting of 11 system presentations. Finally, the program included three tutorials by V. S. Subrahamanian, Dino Pedreschi and Fosca Giannotti, and Gerald Pfeifer.
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Ajouter au panierPaperback. Etat : Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.
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Ajouter au panierTaschenbuch. Etat : Neu. A Comprehensive Guide Through the Italian Database Research Over the Last 25 Years | Sergio Flesca (u. a.) | Taschenbuch | ix | Englisch | 2018 | Springer | EAN 9783319871875 | Verantwortliche Person für die EU: Springer Verlag GmbH, Tiergartenstr. 17, 69121 Heidelberg, juergen[dot]hartmann[at]springer[dot]com | Anbieter: preigu.
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Langue: anglais
Edité par Springer International Publishing, Springer International Publishing, 2018
ISBN 10 : 3319871870 ISBN 13 : 9783319871875
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Ajouter au panierTaschenbuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - This book offers readers a comprehensive guide to the evolution of the database field from its earliest stages up to the present-and from classical relational database management systems to the current Big Data metaphor. In particular, it gathers the most significant research from the Italian database community that had relevant intersections with international projects. Big Data technology is currently dominating both the market and research. The book provides readers with a broad overview of key research efforts in modelling, querying and analysing data, which, over the last few decades, have became massive and heterogeneous areas.
Langue: anglais
Edité par Springer International Publishing, 2017
ISBN 10 : 331961892X ISBN 13 : 9783319618920
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Ajouter au panierBuch. Etat : Neu. Druck auf Anfrage Neuware - Printed after ordering - This book offers readers a comprehensive guide to the evolution of the database field from its earliest stages up to the present-and from classical relational database management systems to the current Big Data metaphor. In particular, it gathers the most significant research from the Italian database community that had relevant intersections with international projects. Big Data technology is currently dominating both the market and research. The book provides readers with a broad overview of key research efforts in modelling, querying and analysing data, which, over the last few decades, have became massive and heterogeneous areas.